Nature, Volume 93

appears application atomic body British carried changes classes collection College committee complete connection considerable contains course deal Department described determined direction discussion edition effect electric Engineering existence experiments fact field given gives Government illustrated important increase industry Institute interesting issue known laboratory lectures less light lines London March marks material matter means measures ment method Museum NATURE observations obtained origin period physical plants plates position possible practical present Price probably problems produced Prof published received recent reference regard relation represented Royal schools scientific shown Society species stars surface taken temperature theory tion University various volume whole